Cheatography
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1. Definitions
2. Backgrounds
3. Aerobic & Anaerobic Respiration
4. Gas Exchange
5. Lungs Adaptations
6. Smoking
7. Exercising
8. Epidemiological Studies
Definitions
Breathing -> Process of taking oxygen and releasing carbon dioxide |
Respiration -> Process of using oxygen to release glucose |
Ventilation -> Movement of air into and out of the lungs |
Scientific Inquiry -> Process of testing ideas and making hypothesis |
Aerobic & Anaerobic
Aerobic -> Biochemical process that uses oxygen to convert glucose into energy, producing carbon dioxide & water as byproducts |
Anaerobic -> Occured in exercising, enabling muscles to generate energy |
C6H12O6 + 6O2 -> 6CO2 + 6H2O + 36ATP |
C6H12O6 -> 2C3H6O3 + 2ATP |
Oxygen + Glucose -> Carbon Dioxide + Water + Energy |
Glucose -> Lactic Acid + Some Energy |
- Aerobic requires oxygen and produces more energy & non-toxic byproducts (CO2 & Water)
- Anaerobic results in lactic acid and less energy
Exercising
Sports training strengthens the muscles involved in breathing, allowing the lungs to expand more efficiently. |
The lungs can become larger with regular training, enabling more air (and thus more oxygen) to be taken in during each breath. |
With stronger respiratory muscles and larger lungs, more oxygen can enter the bloodstream during respiration. |
Training increases the number of capillaries in the lungs, which improves the exchange of gases (oxygen and carbon dioxide) between the lungs and blood. |
Fitter individuals return to their normal breathing rate more quickly after exercise, showing more efficient respiratory response. |
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The Process of Muscles in Breathing
Inhalation -> The diaphragm contracts and moves downward while the intercostal muscles between the ribs contract, lifting the rib cage up and outward. This increases the volume of the thoracic cavity and decreases the air pressure inside the lungs, allowing air to flow in. |
Exhalation -> The diaphragm relaxes and moves upward, and the intercostal muscles relax, letting the rib cage move down and in. This decreases the volume of the thoracic cavity, increases the pressure in the lungs, and pushes air out. |
Functions in Respiration System
Pattern: Nose -> Trachea (Windpipe) ->Bronchus -> Lungs -> Bronchioles -> Alveolus |
Nose -> Filters, warms, and moistens the air before it enters the respiratory system. |
Trachea -> Serves as the main airway that carries air to and from the lungs. |
Bronchus -> Directs air into each lung. |
Lungs -> Main organs of respiration where gas exchange takes place. |
Bronchioles -> Small air passages that distribute air evenly within the lungs. |
Alveolus -> Tiny air sac where oxygen and carbon dioxide are exchanged between the lungs and blood. |
Mucus -> Traps dust, pathogens, and other particles to protect the respiratory tract. |
Cilia -> Tiny hair-like structures that move mucus and trapped particles out of the respiratory system. |
Capillary Wall -> Allow the diffusion of oxygen and carbon dioxide between the blood and alveoli. |
Range & Mean
Range -> Highest to Lowest |
Mean = (Sum of all values) ÷ (Number of values) |
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